data_global _chemical_name_mineral 'Yugawaralite' loop_ _publ_author_name 'Artioli G' 'Stahl K' 'Cruciani G' 'Gualtieri A' 'Hanson J C' _journal_name_full 'American Mineralogist' _journal_volume 86 _journal_year 2001 _journal_page_first 185 _journal_page_last 192 _publ_section_title ; In situ dehydration of yugawaralite Sample: at T = 315 K ; _database_code_amcsd 0002627 _chemical_formula_sum 'Si6 Al2 O20.29 Ca' _cell_length_a 6.73200 _cell_length_b 14.0157 _cell_length_c 10.0607 _cell_angle_alpha 90 _cell_angle_beta 111.189 _cell_angle_gamma 90 _cell_volume 885.087 _exptl_crystal_density_diffrn 2.203 _symmetry_space_group_name_H-M 'P 1 c 1' loop_ _space_group_symop_operation_xyz 'x,y,z' 'x,-y,1/2+z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_U_iso_or_equiv Si1 0.33800 0.14980 0.98400 1.00000 0.00490 Si2 0.70400 0.03520 0.19200 1.00000 0.00490 Si3 0.40700 0.12500 0.69700 1.00000 0.00490 Si4 0.01900 0.47500 0.43800 1.00000 0.00490 Si5 0.35400 0.37180 0.96200 1.00000 0.00490 Si6 0.73600 0.50050 0.62600 1.00000 0.00490 Al1 0.00000 0.00620 0.00000 1.00000 0.00490 Al2 0.38900 0.35550 0.65200 1.00000 0.00490 O1 0.10200 0.10530 0.94300 1.00000 0.00700 O2 0.84800 0.04600 0.09500 1.00000 0.00700 O3 0.18700 0.07800 0.59300 1.00000 0.00700 O4 0.51400 0.11300 0.13300 1.00000 0.00700 O5 0.42900 0.12500 0.86100 1.00000 0.00700 O6 0.61500 0.07300 0.68700 1.00000 0.00700 O7 0.85300 0.06130 0.35300 1.00000 0.00700 O8 0.33400 0.26340 0.00800 1.00000 0.00700 O9 0.40800 0.23290 0.64300 1.00000 0.00700 O10 0.15900 0.42830 0.98600 1.00000 0.00700 O11 0.83200 0.48200 0.50200 1.00000 0.00700 O12 0.16200 0.38080 0.50300 1.00000 0.00700 O13 0.57600 0.40860 0.08200 1.00000 0.00700 O14 0.36000 0.39200 0.80700 1.00000 0.00700 O15 0.62400 0.40220 0.64500 1.00000 0.00700 O16 0.93500 0.46700 0.26600 1.00000 0.00700 Ca 0.04100 0.21690 0.42400 1.00000 0.01200 OW1 0.98500 0.25000 0.17700 0.86000 0.02000 OW1a 0.04000 0.29000 0.21000 0.14000 0.02000 OW2 0.89700 0.23400 0.62000 1.00000 0.02000 OW3 0.67600 0.28400 0.33400 1.00000 0.02000 OW4 0.34100 0.15000 0.35100 0.88000 0.02000 OW4a 0.32000 0.13000 0.28000 0.12000 0.02000 OW5 0.79300 0.25900 0.91200 0.29000 0.02000